diff --git a/roles/docker_watchtower/defaults/main.yml b/roles/docker_watchtower/defaults/main.yml
index bf08b6dddcd48089144a25e1090312dffee54139..41b6e076c93b303f46980ffd67455594be6713ef 100644
--- a/roles/docker_watchtower/defaults/main.yml
+++ b/roles/docker_watchtower/defaults/main.yml
@@ -27,7 +27,7 @@ watchtower_registry_auths: {}
 #watchtower_notifications_shoutrrr_hook: 'https://....'
 
 # renovate: depName=docker.io/containrrr/watchtower
-watchtower_version: 1.4.0
+watchtower_version: 1.5.1
 # renovate: depName=quay.io/sheogorath/docker-socket-proxy
 watchtower_dockersocket_version: "2.3"